1264873 has 2 divisors, whose sum is σ = 1264874. Its totient is φ = 1264872.

The previous prime is 1264867. The next prime is 1264877. The reversal of 1264873 is 3784621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 394384 = 933^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264873 - 2¹³ = 1256681 is a prime.

It is a super-2 number, since 2×1264873² = 3199807412258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1264877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632436 + 632437.

It is an arithmetic number, because the mean of its divisors is an integer number (632437).

2^1264873 is an apocalyptic number.

It is an amenable number.

1264873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264873 is an equidigital number, since it uses as much as digits as its factorization.

1264873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 1264873 is about 1124.6657281166. The cubic root of 1264873 is about 108.1472898905.

It can be divided in two parts, 12648 and 73, that added together give a palindrome (12721).

The spelling of 1264873 in words is "one million, two hundred sixty-four thousand, eight hundred seventy-three".